Do not cache the navbar fragment which contains the current user name (the link that opens the user dropdown menu).
Do not cache the navbar fragment which contains the current user name (the link that opens the user dropdown menu).

Previously, all non-admin users saw the same name, because the fragment was cached for all of them (same with admin users).

jmwenda/feedbunch,amatriain/feedbunch,amatriain/feedbunch,jmwenda/feedbunch,amatriain/feedbunch,jmwenda/feedbunch,amatriain/feedbunch